Baselines
In Primavera P6, a baseline is a complete project. In Open Plan, only the baseline activity and resource usage tables are stored.
When a baseline is imported into Open Plan from P6, Open Plan creates baseline usage records based on P6 resource assignments. This is true for all P6 resource assignments, regardless of the status of the P6 activity (Not Started, In Progress, or Completed).
When a baseline is updated in Open Plan, you have a number of options. You may, for example, exclude both in-progress and completed Open Plan activities from the baseline. When Open Plan creates or updates baseline resource usage information for in-progress and completed activities, it uses a combination of the actual quantity to date plus the remaining quantity. We don’t currently import actual quantities for resources from P6, so updating an imported P6 baseline in Open Plan will probably give different results for in-progress and completed activities. If you need to update baselines for in-progress or completed activities, you can have Open Plan calculate actual quantities using Progress Calculations to give you an approximate value.
When you import P6 baseline resource data using an Open Plan project with an assigned reporting calendar, Open Plan groups all assignments to the same activity/resource and spreads their levels and costs into fiscal periods. If there is no assigned reporting calendar to your project, Open Plan creates a single baseline usage record based on the baseline assignment dates in P6 during baseline import.
During the export of a baseline to P6, baseline usage records are generated only for baseline resources assigned to activities that are in the baseline. Open Plan cannot create P6 baseline assignments if baseline usage records for those assignments do not exist in Open Plan.
Therefore, be careful in selecting your baseline creation/update options in Open Plan and also in using a filter when exporting activities to P6 since both of these factors affect the content of the exported baseline.